Lawn mower



Aug. 3

J. H. FREY LAWN'MOWER Filed Nov. 10, 1925 l HUC/Vloz Patented Aug. 3,1926.

Unire STATES JAMES H. FREY, orvwILMAnycALIFoRNIA.

LAWN MOWER.

Appneation niet november 10,1925.` serial No. 68,145.

The device forming the subject matter of this application 1s a lawnmower, and one object of the invention 1s so to construct the inner edgeof the drive wheel that it will not ,barkl yor damage trees andshrubbery. j

Another object of the invention 1s to pro vide novel means for mountingthe'handle of the` lawn mower on the frame platethereof.

A further object of the invention is to provide novel means foradjusting the position 0f the shear which cooperates with the rotarycutter.

Another object of the invention is to improve the roller.

It is within the province of the disclosure to improve generally and toenhance the utility of devices -of that type to which the inventionappertains.

lilith the above and other objects inview which will .appear asthedescription proceeds, the invention resides in the comb-ination .andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of the invention herein disclosed, may be made within thescope of what is claimed, without departing from the spirit of theinvention.

In the drawings Figure 1 showsin side elevation, .a device constructedin accordance with the invention; Figure 2 is a section on the line 2--2of Figure 1; Figure 3 isa section on the line 3-3 of Figure 1.

The lawn mower forming the subject matter of this application comprisesa frame plate 1, and a ground-engaging drive wheel 2 supported at 3 forrotation on the frame plate, and having a recess 4 receiving a part 5 ofthe frame plate, the drive wheel 2 being beveled, convexedly round-ed,or otherwise constructed, as shown at 6, at its inner edge, transverselyof the said part 5 of the frame plate, and in substantial alinementtherewith, to prevent the inner edge of the drive wheel from damagingshrubbery, trees and the like. A rotary cutting means 7 is supported at9 on the part 5 of the frame plate 1 and is driven from the ground wheel2 by the usual cog gearing 8.

The frame plate 1 has a slot 10, located beyond the periphery of therotary cutting means 7. The machin-e includes a handle member 11comprising .a body 12 extended along the inner surface of the part 5 ofthe frame'plate 1 and having zii-lateral extension 14 passing throughthe slot 10andfl'ocated beyond the periphery ofthe rotarycutting means7,thereby permitting the end of the rotary cutting means to be disposedclose to the innersurface of the part 5 of the frame plate 1. ,Theextension 14 hasulan -arrn 15 disposed aboutparallel Ito the fram-eplate part 5 and extended along the inner surface of said part, the armbeing downwardly inclined, .as shown at 16 in Figure 1, and beingdisposed at an obtuse angle to the body 12 of the handle member 1l, the-arm 15 being pivoted at 17 to the part 5 of the frame plate 1 at apoint slightly below and to the rear of the axis of rotation of thegroundV wheel, and above and in front of the axis 19 of rotation of thecutting means 7.

The frame plate 1 has an outstanding lug 20. A shear 21 cooperates withthe rotary cutting means 7 and comprises an arm 22 pivotally mountedintermediate its ends on the frame plate 1. A screw 23 is threaded intothe lug 20 and extends through the arm 22. The screw 23 is supplied witha head 24.

which is squared, flattened or rendered otherwise of polygonal form, sothat the Y screw ma be rotated by means of a wrench. The hea 24 ofthe'screw 23 has also,in its end, a kerf 25, so that the screw may berotated by a screw driver. A nut 26 may be threaded on the screw 23, thenut cooperating with the arm 22, and another nut 27, threaded on thescrew, cooperating with'the lug 20, the nuts serving to hold the screwin any position to which it may have been adjusted, either by means of awrench or by means of a screw driver. The function of the screw 23, ofcourse, is to adjust the position of the shear 21 with respect to therotary cutting means 7.

A roller 28 is located to the rear of the shear 21. On the end of theroller 28 is placed a cap 29 which has a flange 30 surrounding the endof the roller 28 and preventing the roller from slipping. A stud 31 isxed in the cap 29, the inner end of the stud beingin the form of a woodscrew, threaded at 32 into the roller 28, the roller generally beingfashioned from wood. Se-

curing devices 33, such as screws, may be at oneend only, land in thesingular number, it ywill be understood that ythe construe* tion shownin the drawings is duplicated at the other side of themachine'.

What is claimed isz-V 'A lawn mower comprising a frame-plate; aground-engaging driye wheel supported Y for rotation on the fran-1eplateg'rotaryf'cuthe ineen 'Prsrngf e ,bedy extended in'e'ans'to beis'p'osed close to 'theinn'er surface ofthe frame plate, the extensionhaving an' armdisposedisubstantally parallel to the frame plate andextended along the inner iifae of thefralne p1ate, the arm beingdownwardly inclined and being disposed at 'au'obtu'e "an'gle""to""thebody of the handle membere, the' erm beine Pvefed te. the fnameplantent: rp'ointL slightlybelowY Aand to "the 'rear' of' the axis of'Vrotationof' the @round MMEIS Hennirr

